System and method for measuring power of optical signals carried over a fiber optic link
US7076164B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2002 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Jul 11, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/02212
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A pilot tone generator receives optical energy from an optical communication medium carrying a plurality of optical signals. Each optical signal carries data modulated at a unique wavelength and further modulated with a unique identification signal. The identification signal has an amplitude corresponding to an optical power of the associated optical signal. The pilot tone receiver detects each identification signal from the optical energy received and determines its corresponding amplitude. The pilot tone receiver calculates the optical power of each optical signal in the optical energy in response to the amplitude of the associated identification signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.